Something that is vertical stands or points straight up.
The climber inched up a vertical wall of rock.
那名登山者一点点爬上了一处垂直的岩石峭壁。
The price variable is shown on the vertical axis.
垂直轴显示价格变量。
The gadget can be attached to any vertical or near vertical surface.
这种小工具可以挂在任何垂直或接近垂直的表面。